To test a bit field to determine whether a specific enumeration value is present, use the Boolean logical operators.

若要测试位元栏位，判断特定列举值是否存在，请使用布林逻辑运算子。

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Unless this is so, the Boolean logical operators will not be able to extract the individual enumeration values that are stored in the field.

除非情况如此，否则布林逻辑运算子就无法抽取栏位中所储存的个别列举值。

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However, mathematical operators are not the only operators you are given. There are Boolean operators to help you with logical circuits or logical decisions.

不管怎样，数学操作符是不仅仅是你给出的操作符。有一些布尔型的操作符还能够帮助你用合理的思路或合理的逻辑判定。

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However, mathematical operators are not the only operators you are given. There are Boolean operators to help you with logical circuits or logical decisions.

不管怎样，数学操作符是不仅仅是你给出的操作符。有一些布尔型的操作符还能够帮助你用合理的思路或合理的逻辑判定。

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